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Deployment

Fall back to AWS CloudFront

There is a backup Content Delivery Network (CDN) that can be used if Fastly is down. This backup CDN is currently provided by AWS CloudFront.

Important At the time of writing, GOV.UK will be served by static mirrors and not the origin of GOV.UK if you fallback to the backup CDN.

Procedure

You will have to make 2 DNS changes to GOV.UK:

  1. you will have to ask JISC (very few people are authorised to make such changes) to change the cname of www.gov.uk to the www AWS CloudFront distribution domain. You can log into the AWS web console to find the www AWS CloudFront distribution domain.

  2. you will have to change the cname of assets.publishing.service.gov.uk to the assets AWS CloudFront distribution domain using the usual gov.uk processes. You can log into the AWS web console to find the assets AWS CloudFront distribution domain.

This page was last reviewed on 1 July 2020. It needs to be reviewed again on 1 October 2020 by the page owner #re-govuk .
This page was set to be reviewed before 1 October 2020 by the page owner #re-govuk. This might mean the content is out of date.